Mercer and Wu-Srivastava generalisations of Steffensen's inequality. - Josip Pecaric; Anamarija Perusic; Ksenija Smoljak (Appl. Math. Comput., 2013)

New Diamond-α Steffensen-Type Inequalities for Convex Functions over General Time Scale Measure Spaces. - Ksenija Smoljak Kalamir (Axioms, 2022)